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authorWaqas Hussain <waqas20@gmail.com>2008-11-29 23:59:27 +0500
committerWaqas Hussain <waqas20@gmail.com>2008-11-29 23:59:27 +0500
commit8b4303771ba77b996a1d375f932300029346f7cd (patch)
tree4417f030af8aad47a5e81f133c85557aab76db6b /tools/serialize.lua
parent3723b96a794de0b440874b73d0474a85e9c4bc40 (diff)
downloadprosody-8b4303771ba77b996a1d375f932300029346f7cd.tar.gz
prosody-8b4303771ba77b996a1d375f932300029346f7cd.zip
ejabberd db dump importer for Prosody
Diffstat (limited to 'tools/serialize.lua')
-rw-r--r--tools/serialize.lua45
1 files changed, 45 insertions, 0 deletions
diff --git a/tools/serialize.lua b/tools/serialize.lua
new file mode 100644
index 00000000..57e0eb42
--- /dev/null
+++ b/tools/serialize.lua
@@ -0,0 +1,45 @@
+
+local indent = function(i)
+ return string.rep("\t", i);
+end
+local function basicSerialize (o)
+ if type(o) == "number" or type(o) == "boolean" then
+ return tostring(o);
+ else -- assume it is a string -- FIXME make sure it's a string. throw an error otherwise.
+ return (string.format("%q", tostring(o)):gsub("\\\n", "\\n"));
+ end
+end
+local function _simplesave (o, ind, t)
+ if type(o) == "number" then
+ table.insert(t, tostring(o));
+ elseif type(o) == "string" then
+ table.insert(t, (string.format("%q", o):gsub("\\\n", "\\n")));
+ elseif type(o) == "table" then
+ table.insert(t, "{\n");
+ for k,v in pairs(o) do
+ table.insert(t, indent(ind));
+ table.insert(t, "[");
+ table.insert(t, basicSerialize(k));
+ table.insert(t, "] = ");
+ _simplesave(v, ind+1, t);
+ table.insert(t, ",\n");
+ end
+ table.insert(t, indent(ind-1));
+ table.insert(t, "}");
+ elseif type(o) == "boolean" then
+ table.insert(t, (o and "true" or "false"));
+ else
+ error("cannot serialize a " .. type(o))
+ end
+end
+local t_concat = table.concat;
+
+module "serialize"
+
+function serialize(o)
+ local t = {};
+ _simplesave(o, 1, t);
+ return t_concat(t);
+end
+
+return _M;